I found the "name" of this plant. It is known as Sempervivum mettenianum f.variegata, which is quite fantasy, of course.
mettenianum is synonym of tectorum but was sometimes used to describe hybrid tectorum x arachnoideum.

Indeed, this will be the cultivar. I made ​​some photos of it. The leaves are starting to color. This autumn color. Very nice extra color. I think it will be spring green, and white stripes again. I hope very much remain outdoors in winter. Thank you for the information. Of course, I promised next year I will.

That is interesting. I have seen plants do strange things do to environment and soil. Nature is great.

I saw the effect of one of my semps that was planted in an area that was a baby from one of my other semps. It never made babies it lived for about 4 yrs then just dried up. I think it was a virus, soil, or something but it certainly was different.

I have a 'Telfan' X self seedling that has that kind of variegation as Don's semp. It is a variable anthocyanin gene, similar to the dotting and splashing you get on corn kernels. My seedling turns all purple so it loses the effect of the variegation.

This is different than the chloroplast variegation that is due to a mutation affecting chloroplast development. Most of these that have occurred in the past of this type have not been good growers or lost their variegation. This new one looks to be a stable chimera, however.